package com.zengqingfa.thread.demo4;

/**
 * @fileName: UnsafeBank
 * @author: zengqf3
 * @date: 2020-10-7 18:31
 * @description:
 */
public class UnsafeBank {

    public static void main(String[] args) {
        Account account = new Account(100, "wedding fund");
        Drawing you = new Drawing(account, 50, "you");
        Drawing girlFriend = new Drawing(account, 100, "girlFriend");
        you.start();
        girlFriend.start();
    }

}

//账户
class Account {
    //余额
    int money;
    //账户名称
    String name;

    public Account(int money, String name) {
        this.money = money;
        this.name = name;
    }
}

//模拟取钱
class Drawing extends Thread {

    Account account;
    //取了多少钱
    int drawingMoney;
    //当前账户还有多少钱
    int nowMoney;

    public Drawing(Account account, int drawingMoney, String name) {
        super(name);
        this.account = account;
        this.drawingMoney = drawingMoney;
    }

    @Override
    public void run() {
        //判断钱是否足够
        if (account.money - drawingMoney < 0) {
            System.out.println(Thread.currentThread().getName() + " 钱不够，取不了");
            return;
        }
        try {
            Thread.sleep(500);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        //卡内余额
        account.money = account.money - drawingMoney;
        //手里的钱
        nowMoney = nowMoney + drawingMoney;
        System.out.println(account.name + "余额为：" + account.money);
        System.out.println(this.getName() + "手里的钱：" + nowMoney);
    }
}
